Dice Set, Automatic Dice Cup, Gambling Product:1. Plastic, 2*AA batteries.2. Used in any game.3. Including 3 dice.4. Welcome your order. This automatic dice shaker have special design, it can be use play a lot of game, such as play monopoly and a whole lot dice game, base set dia 10.5cm, height 10.3cm; 2*AA battery(Not including).